{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{2}{c}}
\toprule
                &\multicolumn{2}{c}{Predicted impact on (standardized)}\\\cmidrule(lr){2-3}
                &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}\\
                &\multicolumn{1}{c}{World}&\multicolumn{1}{c}{US}\\
\midrule
{\bf Panel A: No control variables} &         &         \\
                &         &         \\
High relative mortality&0.2833\sym{***}&0.2246\sym{***}\\
                & (0.0655)& (0.0658)\\
                &         &         \\
\midrule R$^2$  &     0.02&     0.01\\
 Number of Observations &      914&      914\\
\midrule        &         &         \\
                &         &         \\
{\bf Panel B: Including control variables} &         &         \\
                &         &         \\
High relative mortality&0.2705\sym{***}&0.2245\sym{***}\\
                & (0.0659)& (0.0651)\\
                &         &         \\
\midrule R$^2$  &     0.06&     0.07\\
 Number of Observations &      914&      914\\
\bottomrule
\end{tabular}
}
